Extraordinary Robot

Severity Rating: Important
Revision Note: V1.0 (July 14, 2015): Bulletin published.
Summary: This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow elevation of privilege if the Windows Installer service improperly runs custom action scripts. An attacker must first compromise a user who is logged on to the target system to exploit the vulnerability. An attacker could then install programs; view, change, or delete data; or create new accounts with full administrative rights.